hi im paul and i am 16
i have hit puberty but am no fully there i have
a bit of armpit hair
pubic hair
and anal hair
my voice hasnt broken and my balls have notyet dropped
my penis when erect is about 4.5inches

could ne one help me and predict when i should grow more

YOur voice and balls are mmost likely broken/dropped if you have underarm haor as that is a stage after voice craking